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Finding the Third Proportional to 69,561 and 151,454

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Solution

The third proportional to 69,561 and 151,454 is: 329,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,561 : 151,454 = 151,454 : x
  2. Step 2: Convert to fraction form
    69,561/151,454 = 151,454/x
  3. Step 3: Cross multiply
    69,561x = 151,454 × 151,454
  4. Step 4: Simplify right side
    69,561x = 22,938,314,116
  5. Step 5: Solve for x
    x = 22,938,314,116/69,561
  6. Step 6: Final answer
    x = 329,758.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.